Question

identify the subatomic particle that is found in the outer shell of an atom. answers: a - d a electron b proton c neutron d positron

Explanation:

• Electrons are negatively - charged subatomic particles that orbit the nucleus of an atom in shells.
• Protons (positively - charged) and neutrons (neutral) are located in the nucleus of the atom.
• Positrons are the antiparticles of electrons and are not typically found in the outer shells of normal atoms in everyday matter.

Answer:

A. Electron